National Stock Number
5325-00-494-2028
National Stock Number (NSN) 5325-00-494-2028, or NIIN 004942028, (fastener,turnbutton) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). NIIN 004942028 was cancelled on January 2, 1998, with a cancelled status of "Item is Cancelled as Duplicate." This NSN was replaced by NSN 5325010888982. This NSN does not replace any other NSNs.
There are no manufacturer part numbers associated to this NSN. ISO Group has several sources of supply for this NSN.
This part number has not been procured by the US Government in over 5 years.
This NSN is assigned to Item Name Code (INC) 16497. [A FASTENING DEVICE, OVAL IN SHAPE, THE TOP HALF OF WHICH, AFTER HAVING BEEN INSERTED THROUGH A SOCKET, TURNBUTTON FASTENER, MUST BE TURNED TO ACT AS A RETAINER. IT MUST INCLUDE A SOCKET, TURNBUTTON FASTENER. MAY ALSO INCLUDE A CLINCH PLATE, TURNBUTTON FASTENER. FOR ITEMS FURNISHED WITHOUT THE MATING SOCKET(S), TURNBUTTON FASTENER, SEE STUD, TURNBUTTON FASTENER.]. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 5325004942028 does not contain precious metals.
This information was last updated on Aug 01, 2025.